C Specification

The VkMicromapUsageKHR structure is defined as:

// Provided by VK_KHR_opacity_micromap
typedef struct VkMicromapUsageKHR {
    uint32_t                      count;
    uint32_t                      subdivisionLevel;
    VkOpacityMicromapFormatKHR    format;
} VkMicromapUsageKHR;

Members

  • count is the number of triangles in the usage format defined by the subdivisionLevel and format below in the micromap

  • subdivisionLevel is the subdivision level of this usage format

  • format is the format of this usage format

Description

The format is interpreted based on the type of the micromap using it.

Valid Usage (Implicit)

See Also

VK_KHR_opacity_micromap, VkAccelerationStructureGeometryMicromapDataKHR, VkOpacityMicromapFormatKHR

Document Notes

For more information, see the Vulkan Specification.

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

Copyright

Copyright 2014-2026 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0